385215679701 has 6 divisors (see below), whose sum is σ = 556422648470. Its totient is φ = 256810453128.

The previous prime is 385215679691. The next prime is 385215679711. The reversal of 385215679701 is 107976512583.

385215679701 is a `hidden beast` number, since 3 + 8 + 5 + 2 + 1 + 567 + 9 + 70 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (385215679691) and next prime (385215679711).

It can be written as a sum of positive squares in only one way, i.e., 306927080100 + 78288599601 = 554010^2 + 279801^2 .

It is not a de Polignac number, because 385215679701 - 2¹⁰ = 385215678677 is a prime.

It is a super-2 number, since 2×385215679701² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385215679711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21400871086 + ... + 21400871103.

Almost surely, 2^385215679701 is an apocalyptic number.

It is an amenable number.

385215679701 is a deficient number, since it is larger than the sum of its proper divisors (171206968769).

385215679701 is a wasteful number, since it uses less digits than its factorization.

385215679701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42801742195 (or 42801742192 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 54.

The spelling of 385215679701 in words is "three hundred eighty-five billion, two hundred fifteen million, six hundred seventy-nine thousand, seven hundred one".